八年级其中复习知识点.ppt

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1、anything interesting 一些有趣的东西1)something,anything,nothing,everything是指物的不定代词。somebody,someone,anybody,anyone,nobody,everybody,everyone是指人的不定代词。somewhere,anywhere,nowhere,everywhere是指地点的不定代词。2)当形容词修饰something,anything,nothing,everything等不定代词时,放在这些词的后面;3)这些不定代词做主语时,谓语动词用第三人称单数。如:Is everybody here?大家都到齐

2、了吗?something,somebody,someone,somewhere用于肯定句及表示请求或建议的疑问句中,而anything,anybody,anyone,anywhere用于否定句及疑问句中。如:Did you do anything interesting?你做了有趣的事吗?(表疑问)Why dont you visit someone with me?你为什么不跟我一起去拜访下某个人呢?(表建议),buy sth.for sb.或 buy sb.sth如:My parents often buy some books for me.=My parents often buy m

3、e some books.我父母经常给我买书。,quite a few 相当多a few 与 a little 的区别,few 与 little 的区别 a few 一些 修饰可数名词 a little 一些 修饰不可数名词 两者都表肯定意义 如:He has a few friends.他有一些朋友。There is a little sugar in the bottle.在瓶子里有一些糖。few 少数的 修饰可数名词 little 少数的修饰不可数名词 但两者都表否定意义 如:He has few friends.他没有几个朋友。There is little sugar in the

4、bottle.在瓶子里没有多少糖。,bored 作形容词,意为“烦闷的;厌倦的”其主语是某人;boring 也是形容词,其主语是某物。如:My parents ask me to do homework all day.I feel bored.我父母整天叫我做作业,我感到很厌倦。Doing homework all day is a little boring.整天做作业有点无聊。相类似的词语还有:interested adj.感兴趣的 interesting adj.有趣的 surprised adj.感到惊奇的surprising adj.惊奇的 tired 累的 tiring 令人疲惫

5、的 excited 兴奋的 exciting 令人兴奋/激动的 amazed 惊讶的 amazing 令人惊讶的,get to/reach/arrive 相同点:都是“到达“的意思不同点:get to+地点/reach+地点arrive at+小地点,车站等)arrive in+大地点(国家等)注意:若他们后面要加地点副词here,there,home等,则不需要加介词。enjoy doing sth.喜欢做乐意做 如:She enjoys playing football.她喜欢踢足球。enjoy oneself 过得愉快 如:He enjoyed himself.他过得很愉快。跟它意思相近

6、的词组还有have a good great time,have fun。,decide 意为“决定”,是动词,它的名词形式为decision。,decide to do sth.decide on doing sth.决定做某事 make a decision to do sth.决定不要做某事,要用decide not to do sth.。如:Li Lei has decided to go to Beijing.李雷已经决定去北京。,because of,because:,because of+名词/代词/名词性短语 I had to move because of my job.be

7、cause+从句 如:I do it because I like it.,enough 足够,形容词enough 如:beautiful enough足够漂亮enough名词如:enough food 足够食物,enough to 足够去做如:I have enough money to go to Beijing.我有足够的钱去北京。She is old enough to go to school.她够大去读书了。,How often do you watch TV?你多久看一次电视?Twice a week.一周两次。(1)how often表示“多久一次”,是对动作的频率进行提问。可

8、用于回答表示频率的副词,如always,usually,often,sometimes,hardly ever,never等,或用于回答表示频率的短语,如once a day(一天一次),twice a week(一周两次),four times a month(一个月四次),every day(每一天)等。如:How often does he surf the Internet?他多久在网上冲浪一次?Once a week.一周一次。(2)twice a week 意思是“一周两次”是一个表示频率的短语,表示频率的短语一般是由“次数a时间名词”构成;表示“一次或两次”时,一般用once和t

9、wice表示,而表示“三次或三次以上”时,则用“数词times”结构。如:once a month(一个月一次),twice a day(一天两次),three times a week(一周三次),five times a year(一年五次)等。,She says its good for my health.她说那对我的健康有益。(1)be good for意思是“对有好处”。如:Doing exercise is good for our health.进行锻炼对我们的身体有好处【辨析】:be good for,be good at 与be good to,health是一个名词,意思

10、是“健康”,它的形容词形式是healthy,意思是“健康的”。如:My grandmother is over 80 years old,but she is very healthy.我奶奶八十多岁了,但她非常健康。We should keep in good health.我们要保持健康。,help with sth.如:They help with this problem.help sb.do.如:They help you relax.他们帮助你放松,although为连词,意思是“尽管;虽然”,表示转折关系,同义词有though。与but作用相同,但是用法不同。特别注意英、汉在此意

11、义上的表达区别:汉语中经常说“虽然但是”,但在英语中,although和but不能同时使用,即“虽然”和“但是”只能用其一。如:Although I get up early,I cant catch the early bus.=I get up early,but I cant catch the early bus.尽管我起得很早,但还是没有赶上早班车。,He has shorter hair than Sam.他的头发比萨姆的短。than 比(用于形容词,副词的比较级之后)当两个人或者物进行比较时,要用形容词的比较级。“比较级+than”表示“比.更.”。一般形容词或副词的比较级是在词

12、后加-er。但要注意比较的对象。如:I am taller than Jim.我比吉姆高。This book is more interesting than that one.这本书比那本书有趣。形容词和副词的比较级、最高级大多数形容词和副词有三个等级:1)原级(不作比较),修饰词very,so,too,pretty,really;2)比较级,表示“较”或“更”的意思(两者之间进行比较),标志词than,A or B,of the two,修饰词much,a lot,a little;3)最高级,表示“最”的意思(三者或三者以上作比较),形容词最高级前面一般要加定冠词the,后面可带in(o

13、f)短语来什么比较的范围。,形容词和副词的比较级和最高级不规则变化:,(1)比较级前可加much,far,even,still,a lot,a little,a bit 等词修饰,不可加very.(2)比较级+and+比较级(越来越.)如 taller and taller或more and more popular(3)The+比较级,the+比较级(越.就越.)如The more books she reads,the better she understands.,Tara works as hard as Tina.塔拉学习跟蒂娜一样努力。“.(not)as+形容词或副词原级+as.”

14、是一种原级比较,意思为“.和.(不)一样”。.not as+形容词或副词原级+as.表示双方在某个方面不同。如:His English is not as good as hers.他英语不如她的好。He doesnt work as hard as his brother.他没有他哥哥工作努力。,辨析beat/win 相同点:都是动词,表示“赢”不同:beat+人 win+比赛,竞赛,战争等名词。如:We played very well,and beat them.They won the match this time.,I think a good friend makes me la

15、ugh.,牢记:make sb.do sth.使某人做某事 make+宾语+形容词 使某人/某事怎样 如:Our teacher makes us work ten hours a day.,both 与 all both 指代两者;all指代三者或三者以上 如:My parents are both fine。我父母都好。We are all here。我们都在这儿。,Its not necessary to be the same.Its+adj.+for sb.+to do sth.It是形式主语,to do sth.是真正主语。意为“某人做某事怎么样”如:It is easy for

16、me to make friends.我交朋友很容易。,一、有些动词只能接不定式做宾语。例如:help,hope,ask,refuse(拒绝),decide,promise,wish,pretend,expect,learn,plan,manage,agree,fail,offer,happen,seem等等。构成词组want sb.to do sth.ask sb.to do sth.tell sb.to do sth.expect sb.to do sth.wish sb to do sth.hope to do sth.be/get ready to do sth.decide to do sth.choose to do sth.help sb.(to)do sth.plan to do sth.seem to do sth.,二、有些动词或短语只接动名词(doing)做宾语:mind,finish,enjoy,suggest,consider,miss,keep(on),avoid,stand(忍受),allow,practice,give up,put off,look forward to,feel like,preventfrom,cant help,be/get used to,be worth doing,be busy doing,

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